CodeMirror.defineMode('clike', function(config, parserConfig) {
  var indentUnit = config.indentUnit,
    statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
    dontAlignCalls = parserConfig.dontAlignCalls,
    keywords = parserConfig.keywords || {},
    builtin = parserConfig.builtin || {},
    blockKeywords = parserConfig.blockKeywords || {},
    atoms = parserConfig.atoms || {},
    hooks = parserConfig.hooks || {},
    multiLineStrings = parserConfig.multiLineStrings;
  var isOperatorChar = /[+\-*&%=<>!?|\/]/;

  var curPunc;

  function tokenBase(stream, state) {
    var ch = stream.next();
    if (hooks[ch]) {
      var result = hooks[ch](stream, state);
      if (result !== false) return result;
    }
    if (ch == '"' || ch == "'") {
      state.tokenize = tokenString(ch);
      return state.tokenize(stream, state);
    }
    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
      curPunc = ch;
      return null;
    }
    if (/\d/.test(ch)) {
      stream.eatWhile(/[\w\.]/);
      return 'number';
    }
    if (ch == '/') {
      if (stream.eat('*')) {
        state.tokenize = tokenComment;
        return tokenComment(stream, state);
      }
      if (stream.eat('/')) {
        stream.skipToEnd();
        return 'comment';
      }
    }
    if (isOperatorChar.test(ch)) {
      stream.eatWhile(isOperatorChar);
      return 'operator';
    }
    stream.eatWhile(/[\w\$_]/);
    var cur = stream.current();
    if (keywords.propertyIsEnumerable(cur)) {
      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = 'newstatement';
      return 'keyword';
    }
    if (builtin.propertyIsEnumerable(cur)) {
      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = 'newstatement';
      return 'builtin';
    }
    if (atoms.propertyIsEnumerable(cur)) return 'atom';
    return 'variable';
  }

  function tokenString(quote) {
    return function(stream, state) {
      var escaped = false,
        next,
        end = false;
      while ((next = stream.next()) != null) {
        if (next == quote && !escaped) {
          end = true;
          break;
        }
        escaped = !escaped && next == '\\';
      }
      if (end || !(escaped || multiLineStrings)) state.tokenize = null;
      return 'string';
    };
  }

  function tokenComment(stream, state) {
    var maybeEnd = false,
      ch;
    while ((ch = stream.next())) {
      if (ch == '/' && maybeEnd) {
        state.tokenize = null;
        break;
      }
      maybeEnd = ch == '*';
    }
    return 'comment';
  }

  function Context(indented, column, type, align, prev) {
    this.indented = indented;
    this.column = column;
    this.type = type;
    this.align = align;
    this.prev = prev;
  }
  function pushContext(state, col, type) {
    var indent = state.indented;
    if (state.context && state.context.type == 'statement')
      indent = state.context.indented;
    return (state.context = new Context(
      indent,
      col,
      type,
      null,
      state.context,
    ));
  }
  function popContext(state) {
    var t = state.context.type;
    if (t == ')' || t == ']' || t == '}')
      state.indented = state.context.indented;
    return (state.context = state.context.prev);
  }

  // Interface

  return {
    startState: function(basecolumn) {
      return {
        tokenize: null,
        context: new Context((basecolumn || 0) - indentUnit, 0, 'top', false),
        indented: 0,
        startOfLine: true,
      };
    },

    token: function(stream, state) {
      var ctx = state.context;
      if (stream.sol()) {
        if (ctx.align == null) ctx.align = false;
        state.indented = stream.indentation();
        state.startOfLine = true;
      }
      if (stream.eatSpace()) return null;
      curPunc = null;
      var style = (state.tokenize || tokenBase)(stream, state);
      if (style == 'comment' || style == 'meta') return style;
      if (ctx.align == null) ctx.align = true;

      if (
        (curPunc == ';' || curPunc == ':' || curPunc == ',') &&
        ctx.type == 'statement'
      )
        popContext(state);
      else if (curPunc == '{') pushContext(state, stream.column(), '}');
      else if (curPunc == '[') pushContext(state, stream.column(), ']');
      else if (curPunc == '(') pushContext(state, stream.column(), ')');
      else if (curPunc == '}') {
        while (ctx.type == 'statement') ctx = popContext(state);
        if (ctx.type == '}') ctx = popContext(state);
        while (ctx.type == 'statement') ctx = popContext(state);
      } else if (curPunc == ctx.type) popContext(state);
      else if (
        ((ctx.type == '}' || ctx.type == 'top') && curPunc != ';') ||
        (ctx.type == 'statement' && curPunc == 'newstatement')
      )
        pushContext(state, stream.column(), 'statement');
      state.startOfLine = false;
      return style;
    },

    indent: function(state, textAfter) {
      if (state.tokenize != tokenBase && state.tokenize != null)
        return CodeMirror.Pass;
      var ctx = state.context,
        firstChar = textAfter && textAfter.charAt(0);
      if (ctx.type == 'statement' && firstChar == '}') ctx = ctx.prev;
      var closing = firstChar == ctx.type;
      if (ctx.type == 'statement')
        return ctx.indented + (firstChar == '{' ? 0 : statementIndentUnit);
      else if (ctx.align && (!dontAlignCalls || ctx.type != ')'))
        return ctx.column + (closing ? 0 : 1);
      else if (ctx.type == ')' && !closing)
        return ctx.indented + statementIndentUnit;
      else return ctx.indented + (closing ? 0 : indentUnit);
    },

    electricChars: '{}',
    blockCommentStart: '/*',
    blockCommentEnd: '*/',
    lineComment: '//',
    fold: 'brace',
  };
});

(function() {
  function words(str) {
    var obj = {},
      words = str.split(' ');
    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
    return obj;
  }
  var cKeywords =
    'auto if break int case long char register continue return default short do sizeof ' +
    'double static else struct entry switch extern typedef float union for unsigned ' +
    'goto while enum void const signed volatile';

  function cppHook(stream, state) {
    if (!state.startOfLine) return false;
    for (;;) {
      if (stream.skipTo('\\')) {
        stream.next();
        if (stream.eol()) {
          state.tokenize = cppHook;
          break;
        }
      } else {
        stream.skipToEnd();
        state.tokenize = null;
        break;
      }
    }
    return 'meta';
  }

  // C#-style strings where "" escapes a quote.
  function tokenAtString(stream, state) {
    var next;
    while ((next = stream.next()) != null) {
      if (next == '"' && !stream.eat('"')) {
        state.tokenize = null;
        break;
      }
    }
    return 'string';
  }

  function mimes(ms, mode) {
    for (var i = 0; i < ms.length; ++i) CodeMirror.defineMIME(ms[i], mode);
  }

  mimes(['text/x-csrc', 'text/x-c', 'text/x-chdr'], {
    name: 'clike',
    keywords: words(cKeywords),
    blockKeywords: words('case do else for if switch while struct'),
    atoms: words('null'),
    hooks: { '#': cppHook },
  });
  mimes(['text/x-c++src', 'text/x-c++hdr'], {
    name: 'clike',
    keywords: words(
      cKeywords +
        ' asm dynamic_cast namespace reinterpret_cast try bool explicit new ' +
        'static_cast typeid catch operator template typename class friend private ' +
        'this using const_cast inline public throw virtual delete mutable protected ' +
        'wchar_t',
    ),
    blockKeywords: words(
      'catch class do else finally for if struct switch try while',
    ),
    atoms: words('true false null'),
    hooks: { '#': cppHook },
  });
  CodeMirror.defineMIME('text/x-java', {
    name: 'clike',
    keywords: words(
      'abstract assert boolean break byte case catch char class const continue default ' +
        'do double else enum extends final finally float for goto if implements import ' +
        'instanceof int interface long native new package private protected public ' +
        'return short static strictfp super switch synchronized this throw throws transient ' +
        'try void volatile while',
    ),
    blockKeywords: words('catch class do else finally for if switch try while'),
    atoms: words('true false null'),
    hooks: {
      '@': function(stream) {
        stream.eatWhile(/[\w\$_]/);
        return 'meta';
      },
    },
  });
  CodeMirror.defineMIME('text/x-csharp', {
    name: 'clike',
    keywords: words(
      'abstract as base break case catch checked class const continue' +
        ' default delegate do else enum event explicit extern finally fixed for' +
        ' foreach goto if implicit in interface internal is lock namespace new' +
        ' operator out override params private protected public readonly ref return sealed' +
        ' sizeof stackalloc static struct switch this throw try typeof unchecked' +
        ' unsafe using virtual void volatile while add alias ascending descending dynamic from get' +
        ' global group into join let orderby partial remove select set value var yield',
    ),
    blockKeywords: words(
      'catch class do else finally for foreach if struct switch try while',
    ),
    builtin: words(
      'Boolean Byte Char DateTime DateTimeOffset Decimal Double' +
        ' Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32' +
        ' UInt64 bool byte char decimal double short int long object' +
        ' sbyte float string ushort uint ulong',
    ),
    atoms: words('true false null'),
    hooks: {
      '@': function(stream, state) {
        if (stream.eat('"')) {
          state.tokenize = tokenAtString;
          return tokenAtString(stream, state);
        }
        stream.eatWhile(/[\w\$_]/);
        return 'meta';
      },
    },
  });
  CodeMirror.defineMIME('text/x-scala', {
    name: 'clike',
    keywords: words(
      /* scala */
      'abstract case catch class def do else extends false final finally for forSome if ' +
        'implicit import lazy match new null object override package private protected return ' +
        'sealed super this throw trait try trye type val var while with yield _ : = => <- <: ' +
        '<% >: # @ ' +
        /* package scala */
        'assert assume require print println printf readLine readBoolean readByte readShort ' +
        'readChar readInt readLong readFloat readDouble ' +
        'AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either ' +
        'Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable ' +
        'Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering ' +
        'Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder ' +
        'StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: ' +
        /* package java.lang */
        'Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable ' +
        'Compiler Double Exception Float Integer Long Math Number Object Package Pair Process ' +
        'Runtime Runnable SecurityManager Short StackTraceElement StrictMath String ' +
        'StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void',
    ),
    blockKeywords: words(
      'catch class do else finally for forSome if match switch try while',
    ),
    atoms: words('true false null'),
    hooks: {
      '@': function(stream) {
        stream.eatWhile(/[\w\$_]/);
        return 'meta';
      },
    },
  });
  mimes(['x-shader/x-vertex', 'x-shader/x-fragment'], {
    name: 'clike',
    keywords: words(
      'float int bool void ' +
        'vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 ' +
        'mat2 mat3 mat4 ' +
        'sampler1D sampler2D sampler3D samplerCube ' +
        'sampler1DShadow sampler2DShadow' +
        'const attribute uniform varying ' +
        'break continue discard return ' +
        'for while do if else struct ' +
        'in out inout',
    ),
    blockKeywords: words('for while do if else struct'),
    builtin: words(
      'radians degrees sin cos tan asin acos atan ' +
        'pow exp log exp2 sqrt inversesqrt ' +
        'abs sign floor ceil fract mod min max clamp mix step smootstep ' +
        'length distance dot cross normalize ftransform faceforward ' +
        'reflect refract matrixCompMult ' +
        'lessThan lessThanEqual greaterThan greaterThanEqual ' +
        'equal notEqual any all not ' +
        'texture1D texture1DProj texture1DLod texture1DProjLod ' +
        'texture2D texture2DProj texture2DLod texture2DProjLod ' +
        'texture3D texture3DProj texture3DLod texture3DProjLod ' +
        'textureCube textureCubeLod ' +
        'shadow1D shadow2D shadow1DProj shadow2DProj ' +
        'shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod ' +
        'dFdx dFdy fwidth ' +
        'noise1 noise2 noise3 noise4',
    ),
    atoms: words(
      'true false ' +
        'gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex ' +
        'gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 ' +
        'gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 ' +
        'gl_FogCoord ' +
        'gl_Position gl_PointSize gl_ClipVertex ' +
        'gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor ' +
        'gl_TexCoord gl_FogFragCoord ' +
        'gl_FragCoord gl_FrontFacing ' +
        'gl_FragColor gl_FragData gl_FragDepth ' +
        'gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix ' +
        'gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse ' +
        'gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse ' +
        'gl_TexureMatrixTranspose gl_ModelViewMatrixInverseTranspose ' +
        'gl_ProjectionMatrixInverseTranspose ' +
        'gl_ModelViewProjectionMatrixInverseTranspose ' +
        'gl_TextureMatrixInverseTranspose ' +
        'gl_NormalScale gl_DepthRange gl_ClipPlane ' +
        'gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel ' +
        'gl_FrontLightModelProduct gl_BackLightModelProduct ' +
        'gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ ' +
        'gl_FogParameters ' +
        'gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords ' +
        'gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats ' +
        'gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits ' +
        'gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits ' +
        'gl_MaxDrawBuffers',
    ),
    hooks: { '#': cppHook },
  });
})();
